DE69300667D1 - Process for the thermal treatment of used linings from electrolytic Hall-Heroult cells. - Google Patents
Process for the thermal treatment of used linings from electrolytic Hall-Heroult cells.Info
- Publication number
- DE69300667D1 DE69300667D1 DE69300667T DE69300667T DE69300667D1 DE 69300667 D1 DE69300667 D1 DE 69300667D1 DE 69300667 T DE69300667 T DE 69300667T DE 69300667 T DE69300667 T DE 69300667T DE 69300667 D1 DE69300667 D1 DE 69300667D1
- Authority
- DE
- Germany
- Prior art keywords
- thermal treatment
- heroult cells
- linings
- hall
- electrolytic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title 1
- 238000007669 thermal treatment Methods 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/40—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by heating to effect chemical change, e.g. pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/45—Inorganic substances containing nitrogen or phosphorus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/49—Inorganic substances containing halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Emergency Management (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Processing Of Solid Wastes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR929209418A FR2693928B1 (en) | 1992-07-24 | 1992-07-24 | Process for the thermal treatment of spent pot lining from Hall-Héroult electrolysis tanks. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69300667D1 true DE69300667D1 (en) | 1995-11-23 |
DE69300667T2 DE69300667T2 (en) | 1996-03-21 |
Family
ID=9432432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69300667T Expired - Fee Related DE69300667T2 (en) | 1992-07-24 | 1993-07-22 | Process for the thermal treatment of used linings from electrolytic Hall-Heroult cells. |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0580533B1 (en) |
AU (1) | AU663390B2 (en) |
BR (1) | BR9302974A (en) |
CA (1) | CA2096484C (en) |
DE (1) | DE69300667T2 (en) |
ES (1) | ES2078812T3 (en) |
FR (1) | FR2693928B1 (en) |
GR (1) | GR3018134T3 (en) |
IS (1) | IS1764B (en) |
NO (1) | NO304776B1 (en) |
NZ (1) | NZ247985A (en) |
RU (1) | RU2103392C1 (en) |
ZA (1) | ZA935009B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5222448A (en) * | 1992-04-13 | 1993-06-29 | Columbia Ventures Corporation | Plasma torch furnace processing of spent potliner from aluminum smelters |
DE19807630A1 (en) | 1998-02-23 | 1999-08-26 | Bayer Ag | Water-based composition useful for controlling parasitic insects and mites, especially lice, on humans |
DE19900519A1 (en) | 1999-01-08 | 2000-07-13 | Bayer Ag | Substituted guanidine derivatives |
DE10140108A1 (en) | 2001-08-16 | 2003-03-06 | Bayer Cropscience Ag | Fungicidal active ingredient combinations |
EP1731037A1 (en) | 2005-06-04 | 2006-12-13 | Bayer CropScience AG | Increase of stress tolerance by application of neonicotinoids on plants engineered to be stress tolerant |
BRPI0613145A2 (en) | 2005-06-15 | 2012-01-03 | Bayer Bioscience Nv | Methods to increase plant resistance to hypoxic conditions |
EP1905302A1 (en) | 2006-09-30 | 2008-04-02 | Bayer CropScience AG | Suspension concentrates |
DE102007045956A1 (en) | 2007-09-26 | 2009-04-09 | Bayer Cropscience Ag | Combination of active ingredients with insecticidal and acaricidal properties |
EP2225940B1 (en) | 2009-03-05 | 2014-03-12 | GAT Microencapsulation GmbH | Oil dispersions of nAChR binding neonicotinoids |
CN104889134B (en) * | 2015-05-13 | 2017-03-01 | 长春黄金研究院 | A kind of gold mine cyanogen-containing tailing Slag treatment method |
RU2683400C1 (en) * | 2018-06-07 | 2019-03-28 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Method of processing a refractory part of a spreaded futer of an aluminum electrolyzer |
CN109701989B (en) * | 2018-12-24 | 2021-05-28 | 东北大学 | Method for treating aluminum electrolysis waste cathode carbon blocks by using NaOH sub-molten salt |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444740A (en) * | 1983-02-14 | 1984-04-24 | Atlantic Richfield Company | Method for the recovery of fluorides from spent aluminum potlining and the production of an environmentally safe waste residue |
US4763585A (en) * | 1987-09-08 | 1988-08-16 | Ogden Environmental Services | Method for the combustion of spent potlinings from the manufacture of aluminum |
US4993323A (en) * | 1988-09-08 | 1991-02-19 | Tabery Ronald S | Fluidized bed combustion of aluminum smelting waste |
FR2664297B1 (en) * | 1990-07-04 | 1992-09-11 | Pechiney Aluminium | PROCESS FOR THE TREATMENT BY THERMAL SHOCK OF USED BRAZZERS FROM HALL-HEROULT ELECTROLYSIS TANKS. |
US5164174A (en) * | 1991-10-11 | 1992-11-17 | Reynolds Metals Company | Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment |
-
1992
- 1992-07-24 FR FR929209418A patent/FR2693928B1/en not_active Expired - Fee Related
-
1993
- 1993-05-18 CA CA002096484A patent/CA2096484C/en not_active Expired - Fee Related
- 1993-06-24 NZ NZ247985A patent/NZ247985A/en unknown
- 1993-07-02 IS IS4047A patent/IS1764B/en unknown
- 1993-07-12 ZA ZA935009A patent/ZA935009B/en unknown
- 1993-07-12 NO NO931975A patent/NO304776B1/en unknown
- 1993-07-22 DE DE69300667T patent/DE69300667T2/en not_active Expired - Fee Related
- 1993-07-22 AU AU42130/93A patent/AU663390B2/en not_active Ceased
- 1993-07-22 EP EP93420313A patent/EP0580533B1/en not_active Expired - Lifetime
- 1993-07-22 ES ES93420313T patent/ES2078812T3/en not_active Expired - Lifetime
- 1993-07-23 RU RU93049649A patent/RU2103392C1/en active
- 1993-07-23 BR BR9302974A patent/BR9302974A/en not_active IP Right Cessation
-
1995
- 1995-11-21 GR GR950403251T patent/GR3018134T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU4213093A (en) | 1994-01-27 |
GR3018134T3 (en) | 1996-02-29 |
EP0580533A1 (en) | 1994-01-26 |
NO932530L (en) | 1994-01-28 |
NO932530D0 (en) | 1993-07-12 |
ZA935009B (en) | 1994-02-24 |
CA2096484C (en) | 1999-04-27 |
FR2693928A1 (en) | 1994-01-28 |
IS4047A (en) | 1994-01-25 |
BR9302974A (en) | 1994-03-29 |
NO304776B1 (en) | 1999-02-15 |
ES2078812T3 (en) | 1995-12-16 |
AU663390B2 (en) | 1995-10-05 |
NZ247985A (en) | 1995-04-27 |
RU2103392C1 (en) | 1998-01-27 |
FR2693928B1 (en) | 1994-09-02 |
CA2096484A1 (en) | 1994-01-25 |
DE69300667T2 (en) | 1996-03-21 |
IS1764B (en) | 2001-03-09 |
EP0580533B1 (en) | 1995-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |